Finding the Fourth Proportional to 38,301,624.70, 57,452,437.05 and 18,146,232.70
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Solution
The fourth proportional to 38,301,624.70, 57,452,437.05 and 18,146,232.70 is: 27,219,349.05
Step by Step Solution
- Step 1: Write the proportion equation
38,301,624.70 : 57,452,437.05 = 18,146,232.70 : x - Step 2: Convert to fraction form
38,301,624.70/57,452,437.05 = 18,146,232.70/x - Step 3: Cross multiply
38,301,624.70x = 57,452,437.05 × 18,146,232.70 - Step 4: Simplify right side
38,301,624.70x = 1,042,545,291,891,401.50 - Step 5: Solve for x
x = 1,042,545,291,891,401.50/38,301,624.70 - Step 6: Final answer
x = 27,219,349.05
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.